BE890143A - Procede et appareil pour determiner la position d'un objet dans un espace confine - Google Patents
Procede et appareil pour determiner la position d'un objet dans un espace confineInfo
- Publication number
- BE890143A BE890143A BE0/205809A BE205809A BE890143A BE 890143 A BE890143 A BE 890143A BE 0/205809 A BE0/205809 A BE 0/205809A BE 205809 A BE205809 A BE 205809A BE 890143 A BE890143 A BE 890143A
- Authority
- BE
- Belgium
- Prior art keywords
- determining
- confined space
- confined
- space
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8027952 | 1980-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE890143A true BE890143A (fr) | 1981-12-16 |
Family
ID=10515720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/205809A BE890143A (fr) | 1980-08-29 | 1981-08-28 | Procede et appareil pour determiner la position d'un objet dans un espace confine |
Country Status (6)
Country | Link |
---|---|
US (1) | US4443792A (fr) |
AU (1) | AU540607B2 (fr) |
BE (1) | BE890143A (fr) |
DE (1) | DE3134243A1 (fr) |
FR (1) | FR2489528B1 (fr) |
ZA (1) | ZA815529B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10585185B2 (en) | 2017-02-03 | 2020-03-10 | Rohde & Schwarz Gmbh & Co. Kg | Security scanning system with walk-through-gate |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620192A (en) * | 1983-09-29 | 1986-10-28 | Raytheon Company | Continuous wave radar with ranging capability |
US4895441A (en) * | 1987-03-19 | 1990-01-23 | Pandel Instruments, Inc. | Method and apparatus for precision ranging |
NL8702342A (nl) * | 1987-10-01 | 1989-05-01 | Hollandse Signaalapparaten Bv | Fm-cw radarapparaat. |
FR2622021B1 (fr) * | 1987-10-16 | 1990-05-04 | Trt Telecom Radio Electr | Dispositif pour mesurer la distance " h " qui le separe d'un objet |
US5049858A (en) * | 1990-04-23 | 1991-09-17 | Physitron, Inc. | Intrusion detection system |
CA2046952C (fr) * | 1990-07-13 | 2002-01-29 | Jeffrey James Felice | Dispositif de mesure |
US5365178A (en) * | 1991-02-12 | 1994-11-15 | Krohne Messtechnik Gmbh & Co. Kg | Electrical device for liquid level measurements in industrial tanks and the like |
DE4234300C2 (de) * | 1992-10-12 | 1998-11-26 | Grieshaber Vega Kg | Füllstand-Meßverfahren |
US5321408A (en) * | 1992-12-31 | 1994-06-14 | Baker Hughes Incorporated | Microwave apparatus and method for ullage measurement of agitated fluids by spectral averaging |
DE4331353C2 (de) * | 1993-09-15 | 1995-08-31 | Endress Hauser Gmbh Co | Radar-Abstandsmeßgerät |
DE4345242A1 (de) * | 1993-09-15 | 1995-04-06 | Endress Hauser Gmbh Co | Frequenzumsetzungsschaltung für ein Radar-Abstandsmeßgerät |
DE4332071C2 (de) * | 1993-09-21 | 1995-09-07 | Endress Hauser Gmbh Co | Verfahren zur Füllstandsmessung nach dem Radarprinzip |
DE69730416T2 (de) * | 1997-06-27 | 2005-09-08 | Eads Deutschland Gmbh | Füllstandmessradargerät |
JP3518725B2 (ja) * | 1998-06-29 | 2004-04-12 | オムロン株式会社 | レーダ装置および物体探知方法 |
DE19961855B4 (de) * | 1999-12-22 | 2007-11-29 | Endress + Hauser Gmbh + Co. Kg | Verfahren und Vorrichtung zur Bestimmung des Füllstands eines Füllguts in einem Behälter |
US20050233278A1 (en) * | 2004-04-20 | 2005-10-20 | Yunsoon Kim | Pin for fixing dental model |
US7679545B2 (en) * | 2004-08-05 | 2010-03-16 | Georgia Tech Research Corporation | Suppressing motion interference in a radar detection system |
US7823446B2 (en) * | 2006-11-06 | 2010-11-02 | Rosemount Tank Radar Ab | Pulsed radar level gauging with relative phase detection |
EP2151699B1 (fr) * | 2008-07-28 | 2011-03-16 | Siemens Milltronics Process Instruments Inc. | Système de télémétrie par radar à impulsions |
US9541444B2 (en) * | 2014-04-01 | 2017-01-10 | Rosemount Tank Radar Ab | Self-diagnosing FMCW radar level gauge |
US10481105B2 (en) | 2016-08-31 | 2019-11-19 | Deere & Company | Measurement device and method for estimating yield of a harvested crop |
US10371558B2 (en) * | 2016-08-31 | 2019-08-06 | Deere & Company | System and method for measuring a bin level via an electromagnetic signal |
CN116755088B (zh) * | 2023-08-09 | 2023-11-17 | 中国科学院空天信息创新研究院 | 一种基于雷达的粮仓深度与异物的探测与成像方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1100119A (en) * | 1965-03-12 | 1968-01-24 | Cambridge Consultants | Method of and apparatus for detecting and measuring amounts of material |
FR2057197A5 (fr) * | 1969-08-05 | 1971-05-21 | Thomson Csf | |
US3680074A (en) * | 1969-11-03 | 1972-07-25 | Zeev Lieser | Intrusion systems employing digital processing circuitry |
US3703722A (en) * | 1971-06-02 | 1972-11-21 | E Systems Inc | Motion detection system with split-ring monostatic doppler detection |
DE2129290B2 (de) * | 1971-06-12 | 1973-11-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorrichtung zum Messen des Full Standes von Hochofen |
US3967283A (en) * | 1974-02-13 | 1976-06-29 | Automation Industries, Inc. | Large area motion sensor |
IT1160079B (it) * | 1977-11-17 | 1987-03-04 | Nec Corp | Radar per l'indicazione di oggetti in movimento |
GB2020507B (en) * | 1978-02-24 | 1982-04-28 | Hawker Siddeley Dynamics Eng | Method and apparatus for measurement of the contents of a bunker or silo |
DE2818942C2 (de) * | 1978-04-28 | 1986-03-27 | Zellweger Uster Ag, Uster | Verfahren zur Raumüberwachung und Vorrichtung zur Durchführung des Verfahrens |
-
1981
- 1981-08-11 ZA ZA815529A patent/ZA815529B/xx unknown
- 1981-08-11 US US06/291,884 patent/US4443792A/en not_active Expired - Fee Related
- 1981-08-20 AU AU74356/81A patent/AU540607B2/en not_active Ceased
- 1981-08-28 FR FR8116485A patent/FR2489528B1/fr not_active Expired
- 1981-08-28 BE BE0/205809A patent/BE890143A/fr not_active IP Right Cessation
- 1981-08-29 DE DE19813134243 patent/DE3134243A1/de not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10585185B2 (en) | 2017-02-03 | 2020-03-10 | Rohde & Schwarz Gmbh & Co. Kg | Security scanning system with walk-through-gate |
Also Published As
Publication number | Publication date |
---|---|
DE3134243A1 (de) | 1982-07-01 |
AU540607B2 (en) | 1984-11-29 |
AU7435681A (en) | 1982-03-04 |
FR2489528A1 (fr) | 1982-03-05 |
US4443792A (en) | 1984-04-17 |
FR2489528B1 (fr) | 1985-10-25 |
ZA815529B (en) | 1982-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: COAL INDUSTRY (PATENTS) LTD Effective date: 19900831 |